Eskom Executive and Leadership Team

October, 2026

Leadership Overview

Eskom has 10 executives leading key functions including energy generation, financial oversight, revenue management, and digital infrastructure.

Committed to powering the nation through sustainable energy solutions, Eskom drives industrial and residential growth by maintaining a robust electricity grid across South Africa and beyond.

Leadership Roles at Eskom

  • Acting Chief Executive Officer (Pebble Bed Modular Reactor) - Noma Mtwebana
  • Chief Auditor & Chief Executive Officer, Office of - Zoe Ngamlana
  • Chief Executive Officer, Eskom Development Foundation - Cecil Ramonotsi
  • Interim Group Chief Executive Officer - Lee Durrant
  • Group Chief Executive Officer - Dan Marokane
  • Chief Financial Officer - Calib Cassim
  • Financial Accounting In The Office of The Senior Advisor & Chief Financial Officer - Thandi Mthombeni
  • Chief Financial Officer, Portfolio Management Finance Operational Efficiency Office of - Angelique Pieterse
  • Chief Revenue Officer - Malina FlorahTsoenyane
  • Chief Information Officer, Eskom - Peshy Mog
  • Noma Mtwebana - Acting Chief Executive Officer (Pebble Bed Modular Reactor)

    Noma Mtwebana, the Acting Chief Executive Officer (Pebble Bed Modular Reactor) at Eskom, directs the specialized development of modular nuclear energy technologies. Overseeing research initiatives and technical feasibility studies, the Acting Chief Executive Officer (Pebble Bed Modular Reactor) ensures alignment with long-term national energy security goals. This leadership role involves managing complex engineering partnerships and navigating regulatory frameworks to advance innovative power generation methods. By prioritizing safety protocols and technical excellence, Noma Mtwebana directly impacts the future of clean energy production within the organization. Ultimately, the Acting Chief Executive Officer (Pebble Bed Modular Reactor) secures the viability of advanced reactor projects, ensuring that the company remains at the forefront of nuclear energy innovation while supporting broader grid stability across the African continent.

    Zoe Ngamlana - Chief Auditor & Chief Executive Officer, Office of

    Zoe Ngamlana, the Chief Auditor & Chief Executive Officer, Office of at Eskom, governs internal control frameworks and corporate governance standards. Overseeing comprehensive audit programs, the Chief Auditor & Chief Executive Officer, Office of ensures transparency and accountability across all operational divisions. This leadership role involves identifying systemic risks and implementing mitigation strategies to protect the integrity of the electricity generation and distribution business. By enforcing rigorous compliance measures, Zoe Ngamlana directly impacts the operational efficiency and financial health of the organization. Ultimately, the Chief Auditor & Chief Executive Officer, Office of maintains the trust of stakeholders by validating that all business processes adhere to the highest ethical standards, thereby strengthening the overall market position of the company within the competitive energy sector.

    Cecil Ramonotsi - Chief Executive Officer, Eskom Development Foundation

    Cecil Ramonotsi, the Chief Executive Officer, Eskom Development Foundation at Eskom, directs corporate social investment and community development initiatives. Overseeing large-scale socio-economic programs, the Chief Executive Officer, Eskom Development Foundation ensures that the company contributes positively to the regions where electricity infrastructure operates. This leadership role involves managing partnerships with local stakeholders and executing projects that foster sustainable economic growth. By aligning social responsibility efforts with the core mission of energy provision, Cecil Ramonotsi directly impacts the quality of life for residential and commercial customers. Ultimately, the Chief Executive Officer, Eskom Development Foundation secures the social license to operate by demonstrating a commitment to community upliftment, thereby enhancing the reputation and long-term sustainability of the organization across the entire South African landscape.

    Lee Durrant - Interim Group Chief Executive Officer

    Lee Durrant, the Interim Group Chief Executive Officer at Eskom, manages the overarching strategic direction and operational continuity of the national electricity utility. Overseeing the transition of executive leadership, the Interim Group Chief Executive Officer ensures that generation, transmission, and distribution functions remain stable during periods of organizational change. This leadership role involves coordinating with the Board and government entities to address critical energy supply challenges. By stabilizing core business operations, Lee Durrant directly impacts the reliability of power delivery to industrial, mining, and residential sectors. Ultimately, the Interim Group Chief Executive Officer maintains focus on long-term strategic objectives, ensuring that the company continues to meet the energy demands of the nation while navigating complex market dynamics and infrastructure requirements across the entire regional footprint.

    Dan Marokane - Group Chief Executive Officer

    Dan Marokane, the Group Chief Executive Officer at Eskom, architects the comprehensive strategy for electricity generation, transmission, and distribution. Overseeing the entire organizational structure, the Group Chief Executive Officer ensures that the company meets the diverse energy needs of industrial, mining, and residential customers. This leadership role involves driving operational efficiency and managing large-scale infrastructure projects to improve grid reliability. By fostering innovation and sustainable energy practices, Dan Marokane directly impacts the economic development of the country. Ultimately, the Group Chief Executive Officer secures the future of the organization by balancing immediate power supply requirements with long-term energy transition goals, ensuring that the company remains a cornerstone of the national economy while expanding its influence across the broader regional energy market.

    Calib Cassim - Chief Financial Officer

    Calib Cassim, the Chief Financial Officer at Eskom, directs the financial strategy, capital allocation, and fiscal reporting for the entire utility. Overseeing the management of multi-billion rand budgets, the Chief Financial Officer ensures that the company maintains the liquidity necessary to support massive infrastructure maintenance and expansion. This leadership role involves engaging with investors, managing debt portfolios, and optimizing cost structures to improve overall financial performance. By implementing rigorous financial controls, Calib Cassim directly impacts the ability of the organization to deliver reliable electricity to industrial and commercial clients. Ultimately, the Chief Financial Officer secures the financial sustainability of the company, ensuring that fiscal health supports the long-term mission of providing consistent energy services across the entire national grid and beyond.
    Calib Cassim

    Thandi Mthombeni - Financial Accounting In The Office of The Senior Advisor & Chief Financial Officer

    Thandi Mthombeni, the Financial Accounting In The Office of The Senior Advisor & Chief Financial Officer at Eskom, directs the precise reporting and accounting standards for the executive finance division. Overseeing the reconciliation of complex financial data, the Financial Accounting In The Office of The Senior Advisor & Chief Financial Officer ensures that all fiscal records align with national regulatory requirements. This leadership role involves supporting the Chief Financial Officer with detailed analysis of operational costs and capital expenditures. By maintaining high standards of accounting accuracy, Thandi Mthombeni directly impacts the transparency and reliability of the financial statements provided to stakeholders. Ultimately, the Financial Accounting In The Office of The Senior Advisor & Chief Financial Officer secures the integrity of the financial reporting process, enabling informed decision-making across the entire organization.

    Angelique Pieterse - Chief Financial Officer, Portfolio Management Finance Operational Efficiency Office of

    Angelique Pieterse, the Chief Financial Officer, Portfolio Management Finance Operational Efficiency Office of at Eskom, directs the financial optimization of specific project portfolios and operational workflows. Overseeing the allocation of resources to high-impact efficiency initiatives, the Chief Financial Officer, Portfolio Management Finance Operational Efficiency Office of ensures that capital is deployed to maximize operational output. This leadership role involves analyzing project performance metrics and identifying opportunities to reduce waste within the generation and transmission divisions. By driving financial discipline, Angelique Pieterse directly impacts the cost-effectiveness of the organization. Ultimately, the Chief Financial Officer, Portfolio Management Finance Operational Efficiency Office of secures the efficiency of the company, ensuring that financial resources are utilized to support the long-term goal of providing affordable and reliable electricity to all customers.
    Angelique Pieterse

    Malina FlorahTsoenyane - Chief Revenue Officer

    Malina FlorahTsoenyane, the Chief Revenue Officer at Eskom, directs the billing, collection, and revenue protection strategies for the utility. Overseeing the management of customer accounts across industrial, mining, and residential segments, the Chief Revenue Officer ensures that the company captures the full value of electricity supplied. This leadership role involves implementing advanced metering technologies and enforcing payment compliance to reduce non-technical losses. By optimizing revenue streams, Malina FlorahTsoenyane directly impacts the financial viability of the organization and the ability to reinvest in grid infrastructure. Ultimately, the Chief Revenue Officer secures the cash flow necessary for operational success, ensuring that the company maintains a stable financial foundation while serving a vast and diverse customer base throughout the entire country.

    Peshy Mog - Chief Information Officer, Eskom

    Peshy Mog, the Chief Information Officer, Eskom at Eskom, directs the digital transformation and information technology infrastructure of the utility. Overseeing the integration of smart grid technologies and data analytics, the Chief Information Officer, Eskom ensures that the company leverages digital tools to improve electricity distribution efficiency. This leadership role involves managing cybersecurity protocols to protect critical national infrastructure from digital threats. By modernizing IT systems, Peshy Mog directly impacts the operational agility and responsiveness of the organization to customer needs. Ultimately, the Chief Information Officer, Eskom secures the technological backbone of the company, ensuring that digital capabilities support the core mission of providing reliable energy services across the entire national network while driving innovation in the energy sector.

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    Frequently Asked Questions Regarding Eskom Top Executives and Leadership Team

    Who leads Eskom?
    Eskom is led by Noma Mtwebana (Acting Chief Executive Officer (Pebble Bed Modular Reactor)), along with executives such as Zoe Ngamlana (Chief Auditor & Chief Executive Officer, Office of) and Cecil Ramonotsi (Chief Executive Officer, Eskom Development Foundation).
    Who is part of Eskom’s executive team?
    The executive team of Eskom includes leaders such as Noma Mtwebana (Acting Chief Executive Officer (Pebble Bed Modular Reactor)), Zoe Ngamlana (Chief Auditor & Chief Executive Officer, Office of), Cecil Ramonotsi (Chief Executive Officer, Eskom Development Foundation) and other senior executives.
    How many executives does Eskom have?
    Eskom has 10 executives leading key business areas.
    What roles are included in Eskom’s leadership team?
    The leadership team of Eskom includes roles such as Acting Chief Executive Officer (Pebble Bed Modular Reactor), Chief Auditor & Chief Executive Officer, Office of, Chief Executive Officer, Eskom Development Foundation, Interim Group Chief Executive Officer, Group Chief Executive Officer.